Vortex gas flowmeter| Manufacturer of water flow meter price

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1. How to calculate the flow rate measured by a vortex flowmeter?

E=KBdV (where E -- is the signal voltage (V) between the electrodes); B -- Magnetic flux density (T); D -- Measure the inner diameter of the tube (M); V - Average flow velocity (M/S). ）In the equation, K and d are constants. Since the excitation current of the pump is constant, B is also constant. Therefore, from E=KBdV, it can be seen that the volume flow rate Q is proportional to the signal voltage E, that is, the signal voltage E induced by the flow velocity is linearly related to the volume flow rate Q. Extended Data Vortex Flow Meter is a volumetric flow meter produced based on the Karman vortex principle for measuring the volumetric flow rate, standard condition volumetric flow rate, or mass flow rate of gases, vapors, or liquids. Mainly used for flow measurement of industrial pipeline media fluids, such as gases, liquids, steam, and other media. The characteristics of vortex flowmeter are small pressure loss, large range, high accuracy, and it is almost unaffected by parameters such as fluid density, pressure, temperature, viscosity, etc. when measuring volumetric flow rate under working conditions. There are no unstable mechanical parts, therefore high reliability and low maintenance. The instrument parameters can be stable for a long time. The vortex flowmeter adopts a piezoelectric stress sensor with high reliability and can operate within a temperature range of -20 ℃ to+250 ℃. Reference source: Baidu Baike - Electromagnetic flowmeter Reference source: Baidu Baike - Vortex flowmeter

2. Difference between hot gas and vortex gas

What you mentioned may be "hot gas" and "vortex gas", which is more like a technical principle d

istinction between the two types of flowmeters rather than gas types. Thermal gas flowmeter uses the principle of thermal diffusion to measure the flow rate by measuring the rate at which the fluid carries away heat; The vortex flowmeter is based on the Karman vortex effect and calculates the flow rate by detecting the frequency of vortex generation in the fluid. The core of a thermal gas flowmeter is the principle of thermal diffusion. It usually has two sensors: one for heating and one for temperature measurement in the Xila Hall. When gas flows through, it carries away heat, causing temperature changes. By measuring this temperature difference or the energy required to maintain a constant temperature, the mass flow rate of the gas can be calculated. Its advantage lies in directly measuring mass flow without the need for temperature and pressure compensation, especially adept at measuring low flow rate gases. It has no moving parts inside, high reliability, and minimal pressure loss. But its disadvantage is that it is sensitive to changes in the composition of the medium and has a higher cost in applications with large pipe diameters. The working principle of a vortex flowmeter is the Karman vortex effect. It places a blocking fluid (vortex generator) in the flow field, and as the fluid flows through it, regular vortices alternate on both sides. The frequency of these vortices is directly proportional to the flow velocity of the fluid. By detecting the vortex frequency through components such as piezoelectric sensors, the flow velocity and volumetric flow rate can be calculated. Its main advantages are simple and sturdy structure, wide range of applicable media (liquid, gas, steam can all be used), high measurement acc

Vortex gas flowmeter

1. How to calculate the flow rate measured by a vortex flowmeter?

2. Difference between hot gas and vortex gas

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